{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:BSYKCYJOZ5CP5ID2UC6KRM3OLW","short_pith_number":"pith:BSYKCYJO","canonical_record":{"source":{"id":"cond-mat/0508392","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-08-17T13:04:06Z","cross_cats_sorted":[],"title_canon_sha256":"023d3af3a1b03e9aa938ece91ec97fd2cdc1780de57ec59e02fc8a658d02c36d","abstract_canon_sha256":"bf28069047c81ccac6b266e8a87fb8da5c084857ad9cc747efb6d1c5ccceb02a"},"schema_version":"1.0"},"canonical_sha256":"0cb0a1612ecf44fea07aa0bca8b36e5d807ae8235bda7299681248c762d8c00f","source":{"kind":"arxiv","id":"cond-mat/0508392","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0508392","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0508392v1","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0508392","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"pith_short_12","alias_value":"BSYKCYJOZ5CP","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"BSYKCYJOZ5CP5ID2","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"BSYKCYJO","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:BSYKCYJOZ5CP5ID2UC6KRM3OLW","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0508392","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-08-17T13:04:06Z","cross_cats_sorted":[],"title_canon_sha256":"023d3af3a1b03e9aa938ece91ec97fd2cdc1780de57ec59e02fc8a658d02c36d","abstract_canon_sha256":"bf28069047c81ccac6b266e8a87fb8da5c084857ad9cc747efb6d1c5ccceb02a"},"schema_version":"1.0"},"canonical_sha256":"0cb0a1612ecf44fea07aa0bca8b36e5d807ae8235bda7299681248c762d8c00f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:59.907795Z","signature_b64":"bydJyo6X55fKl4m9N778d5aSuUG5WLDqOW1yc+re/Md37DZstCl0pYmMz1EIzWRndDbApYWNruh1MeRSnQZoDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0cb0a1612ecf44fea07aa0bca8b36e5d807ae8235bda7299681248c762d8c00f","last_reissued_at":"2026-05-18T02:41:59.907400Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:59.907400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0508392","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:41:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mjuEawBSPpRhIGxQQ+ec07vQuF1MNY9D/gB4dl/ojYrNq55GzcmSrXEVBVhlewy4JaiHGbQ2TWWATs08Aa18CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:16:43.451046Z"},"content_sha256":"9011c41991bb58e39626f7acb87107787ea6c126a48c515792da7d48ad662030","schema_version":"1.0","event_id":"sha256:9011c41991bb58e39626f7acb87107787ea6c126a48c515792da7d48ad662030"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:BSYKCYJOZ5CP5ID2UC6KRM3OLW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct observation of electric-quadrupolar order in UO$_{2}$","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"C. Detlefs, E. Colineau, F. Wastin, G. H. Lander, J. Rebizant, R. Caciuffo, S. B. Wilkins","submitted_at":"2005-08-17T13:04:06Z","abstract_excerpt":"We report direct experimental evidence for long-range antiferro ordering of the electric-quadrupole moments on the U ions. Resonant x-ray scattering experiments at the uranium $M_{4}$ absorption edge show a characteristic dependence in the integrated intensity upon rotation of the crystal around the scattering vector. Although quadrupolar order in uranium dioxide was advocated already in the 1960s no experimental evidence for this phenomenon was provided until now. We conclude with a possible model to explain the phase diagram of the solid solutions of UO$_{2}$ and NpO$_{2}$. We suggest that i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0508392","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:41:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LIWbFApstV+coqBVCX/LxQmhjB0hKiXHAlZnOjMyKH0wgTTjpn5hdxgYzXM7UN04v0AN3yy5l23OT4Wk0bjrAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:16:43.451409Z"},"content_sha256":"cec358646d6e04cb227b0f93e53c1f630a13a7c9e9e91d5a09e4b948b30f93a2","schema_version":"1.0","event_id":"sha256:cec358646d6e04cb227b0f93e53c1f630a13a7c9e9e91d5a09e4b948b30f93a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BSYKCYJOZ5CP5ID2UC6KRM3OLW/bundle.json","state_url":"https://pith.science/pith/BSYKCYJOZ5CP5ID2UC6KRM3OLW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BSYKCYJOZ5CP5ID2UC6KRM3OLW/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-26T13:16:43Z","links":{"resolver":"https://pith.science/pith/BSYKCYJOZ5CP5ID2UC6KRM3OLW","bundle":"https://pith.science/pith/BSYKCYJOZ5CP5ID2UC6KRM3OLW/bundle.json","state":"https://pith.science/pith/BSYKCYJOZ5CP5ID2UC6KRM3OLW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BSYKCYJOZ5CP5ID2UC6KRM3OLW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:BSYKCYJOZ5CP5ID2UC6KRM3OLW","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"bf28069047c81ccac6b266e8a87fb8da5c084857ad9cc747efb6d1c5ccceb02a","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-08-17T13:04:06Z","title_canon_sha256":"023d3af3a1b03e9aa938ece91ec97fd2cdc1780de57ec59e02fc8a658d02c36d"},"schema_version":"1.0","source":{"id":"cond-mat/0508392","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0508392","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0508392v1","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0508392","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"pith_short_12","alias_value":"BSYKCYJOZ5CP","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"BSYKCYJOZ5CP5ID2","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"BSYKCYJO","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:cec358646d6e04cb227b0f93e53c1f630a13a7c9e9e91d5a09e4b948b30f93a2","target":"graph","created_at":"2026-05-18T02:41:59Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We report direct experimental evidence for long-range antiferro ordering of the electric-quadrupole moments on the U ions. Resonant x-ray scattering experiments at the uranium $M_{4}$ absorption edge show a characteristic dependence in the integrated intensity upon rotation of the crystal around the scattering vector. Although quadrupolar order in uranium dioxide was advocated already in the 1960s no experimental evidence for this phenomenon was provided until now. We conclude with a possible model to explain the phase diagram of the solid solutions of UO$_{2}$ and NpO$_{2}$. We suggest that i","authors_text":"C. Detlefs, E. Colineau, F. Wastin, G. H. Lander, J. Rebizant, R. Caciuffo, S. B. Wilkins","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-08-17T13:04:06Z","title":"Direct observation of electric-quadrupolar order in UO$_{2}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0508392","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:9011c41991bb58e39626f7acb87107787ea6c126a48c515792da7d48ad662030","target":"record","created_at":"2026-05-18T02:41:59Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"bf28069047c81ccac6b266e8a87fb8da5c084857ad9cc747efb6d1c5ccceb02a","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-08-17T13:04:06Z","title_canon_sha256":"023d3af3a1b03e9aa938ece91ec97fd2cdc1780de57ec59e02fc8a658d02c36d"},"schema_version":"1.0","source":{"id":"cond-mat/0508392","kind":"arxiv","version":1}},"canonical_sha256":"0cb0a1612ecf44fea07aa0bca8b36e5d807ae8235bda7299681248c762d8c00f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0cb0a1612ecf44fea07aa0bca8b36e5d807ae8235bda7299681248c762d8c00f","first_computed_at":"2026-05-18T02:41:59.907400Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:41:59.907400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bydJyo6X55fKl4m9N778d5aSuUG5WLDqOW1yc+re/Md37DZstCl0pYmMz1EIzWRndDbApYWNruh1MeRSnQZoDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:41:59.907795Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0508392","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9011c41991bb58e39626f7acb87107787ea6c126a48c515792da7d48ad662030","sha256:cec358646d6e04cb227b0f93e53c1f630a13a7c9e9e91d5a09e4b948b30f93a2"],"state_sha256":"dd200e43e50aafd83b565618f00b4aedc7b0e508a1de79d5cf0cb9e127a8571d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N5MCnX/7OicH71UqWoxhC5nwDTNdybjy37vSqd5Sam10ZTvOBVwO9YsglELr80xnLvwIFBKXaXTcTIRT/Mh+AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T13:16:43.453523Z","bundle_sha256":"b0ad4ae74bb1f36d2d58393e521602f9b688f81a3ab589ae2a7186abb4d50331"}}